CN108505183A - A kind of preparation method of technology for woven plastic packing bag - Google Patents
A kind of preparation method of technology for woven plastic packing bag Download PDFInfo
- Publication number
- CN108505183A CN108505183A CN201810281077.9A CN201810281077A CN108505183A CN 108505183 A CN108505183 A CN 108505183A CN 201810281077 A CN201810281077 A CN 201810281077A CN 108505183 A CN108505183 A CN 108505183A
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- China
- Prior art keywords
- packing bag
- polypropylene composite
- technology
- plastic packing
- preparation
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Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D1/00—Woven fabrics designed to make specified articles
- D03D1/04—Sack- or bag-like articles
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
- D10B2321/022—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polypropylene
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/06—Load-responsive characteristics
- D10B2401/063—Load-responsive characteristics high strength
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2505/00—Industrial
- D10B2505/10—Packaging, e.g. bags
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Bag Frames (AREA)
- Materials For Medical Uses (AREA)
- Wrappers (AREA)
Abstract
The invention discloses a kind of preparation methods of technology for woven plastic packing bag, include the following steps：Isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters, glass fibre, carboxymethyl cellulose, glycidyl methacrylate, lubricant, coupling agent, heat stabilizer, tert-butyl hydroperoxide are mixed, heating, stirring, after being subsequently added into polypropylene composite, polyarylate, oxidized polyethylene wax, ethylene-vinyl acetate copolymer, chlorosulfonated polyethylene mixing, heating, extruding pelletization, spinning, braiding obtain technology for woven plastic packing bag.Polypropylene composite is prepared using following technique：Polyphosphoric acids, polycarbonate glycol are mixed, heating stirring, polypropylene is added, radiation treatment adds polyisoprene, and heating stirs to get polypropylene composite.Inventive formulation is simple, of low cost, effectively improves gained braided packing bag tensile strength, tear-proof, mechanical strength are big, and protecting effect is good, so that braided packing bag is used for a long time without damage, durable.
Description
Technical field
The present invention relates to braided packing bag technique field more particularly to a kind of preparation methods of technology for woven plastic packing bag.
Background technology
Plastic packaging bag is divided into Polypropylene Bag, Polythene Bag by main material composition；It is divided into seam bottom bag, seam by method of sewing
Side bottom bag.It is now widely used for a kind of packaging material of fertilizer, chemical products and other items.Its main production is to utilize modeling
Expect that the extruded film of raw material, cutting, simple tension are flat filament, is knitted to form by longitude and latitude.
The packaging bag of conventional polypropylene flat filament establishment, in the packaging of some heavy piece of equipment, load-bearing (stretches strong
Degree) it could be improved, limit its use scope.
Invention content
Technical problems based on background technology, the present invention propose a kind of preparation method of technology for woven plastic packing bag,
Formula is simple, of low cost, can effectively improve the tensile strength of gained braided packing bag, and tear-proof, mechanical strength are big, protection effect
Fruit is good, so that braided packing bag is used for a long time without damage, can solve the problems, such as that packaging bag service life is short in the prior art, knot
Reality is durable, not bale broken, the high-intensity packings such as particularly suitable heavy piece of equipment.
A kind of preparation method of technology for woven plastic packing bag proposed by the present invention, includes the following steps：By isopropyl three, (two is pungent
Base pyrophosphoric acid acyloxy) titanate esters, glass fibre, carboxymethyl cellulose, glycidyl methacrylate, lubricant, coupling
Agent, heat stabilizer, tert-butyl hydroperoxide mixing, heat up, stirring, are subsequently added into polypropylene composite, polyarylate, the poly- second of oxidation
It after alkene wax, ethylene-vinyl acetate copolymer, chlorosulfonated polyethylene mixing, heats up, extruding pelletization, spinning weaves and obtains plastics volume
Knit packaging bag.
Preferably, polypropylene composite, isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters, glass fibre, carboxylic first
Base cellulose, glycidyl methacrylate, lubricant, coupling agent, heat stabilizer, tert-butyl hydroperoxide weight ratio be
80-120：2-4：30-50：2-4：2-4：3-5：2-4：2-3：3-4.
Preferably, polypropylene composite, polyarylate, oxidized polyethylene wax, ethylene-vinyl acetate copolymer, chlorosulfonation are poly-
The weight ratio of ethylene is 80-120：30-50：2-4：4-8：2-4.
Preferably, include the following steps：By isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters, glass fibre, carboxylic
Methylcellulose, glycidyl methacrylate, lubricant, coupling agent, heat stabilizer, tert-butyl hydroperoxide mixing, rise
Temperature stirs 40-80min, is subsequently added into polypropylene composite, polyarylate, oxidized polyethylene wax, ethyl vinyl acetate second to 70-80 DEG C
After alkene copolymer, chlorosulfonated polyethylene mixing, it is warming up to 230-240 DEG C, extruding pelletization, spinning weaves and obtains plastic knitting packet
Pack.
Preferably, polypropylene composite is prepared using following technique：Polyphosphoric acids, polycarbonate glycol are mixed, risen
Polypropylene is added in temperature stirring, and radiation treatment adds polyisoprene, and heating stirs to get polypropylene composite.
Preferably, polyphosphoric acids, polycarbonate glycol, polypropylene, poly- different in the preparation process of polypropylene composite
The weight ratio of pentadiene is 20-24：10-16：110-130：4-10.
Preferably, polypropylene composite is prepared using following technique：Polyphosphoric acids, polycarbonate glycol are mixed, risen
To 75-85 DEG C of stirring 4-8h polypropylene is added, radiation treatment 6-12min, irradiation dose 35-45kGy are added poly- different in temperature
Pentadiene is warming up to 200-220 DEG C of stirring 30-50min, mixing speed 1500-1900r/min and obtains polypropylene composite.
Inventive formulation is simple, of low cost, can effectively improve the tensile strength of gained braided packing bag, tear-proof, machine
Tool intensity is big, and protecting effect is good, so that braided packing bag is used for a long time without damage, can solve the use of packaging bag in the prior art
It is the problem of short life, durable, not bale broken, the high-intensity packings such as particularly suitable heavy piece of equipment.
Caused by the present invention eliminates polypropylene composite, polyarylate and glass fibre poor compatibility using oxidized polyethylene wax
Harmful effect, strong with the interface interaction power of polypropylene composite under the action of coupling agent, dimensional stability further enhances, and
And high-temerature creep can be prevented, to improve the tensile strength of polypropylene fibre, cooperation ethylene-vinyl acetate copolymer, chlorosulfonation
Polyethylene acts on, and the mobility of polypropylene composite and polyarylate can be improved, and so that the form of material and structure is more stablized, stretches
Intensity further enhances；In the polypropylene composite of the present invention, by polypropylene modification, ensureing the qualitative base of stabilized polypropylene
On plinth, toughening effect is good, after wherein polyphosphoric acids polymerize with polycarbonate glycol, on the one hand can form long-chain macromolecule, increases
Tough significant effect, another aspect viscosity is low, and good with polyacrylic dispersion effect, compatibility is splendid, after irradiated processing, surface shape
At a large amount of active groups, can be combined to form chemical bond with polyisoprene, toughening effect further enhances, and can be to greatest extent
Keep polyacrylic stability.
The weight of gained braided packing bag of the invention is 68-74g/m2, bursting strength reaches 38N/cm or more, and air permeability reaches
233mL/min or more, tearability reach 138N or more.
Specific implementation mode
In the following, technical scheme of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of preparation method of technology for woven plastic packing bag, includes the following steps：By three (dioctylphyrophosphoric acid of 2kg isopropyls
Acyloxy) titanate esters, 50kg glass fibres, 2kg carboxymethyl celluloses, 4kg glycidyl methacrylate, 3kg lubricants,
4kg coupling agents, 2kg heat stabilizers, the mixing of 4kg tert-butyl hydroperoxide, are warming up to 70 DEG C, stir 80min, be subsequently added into 80kg
Polypropylene composite, 50kg polyarylates, 2kg oxidized polyethylene wax, 8kg ethylene-vinyl acetate copolymers, the poly- second of 2kg chlorosulfonations
After alkene mixing, 240 DEG C are warming up to, extruding pelletization, spinning weaves and obtains technology for woven plastic packing bag.
Polypropylene composite is prepared using following technique：20kg polyphosphoric acids, 16kg polycarbonate glycol are mixed, risen
To 75 DEG C of stirring 8h 110kg polypropylene is added, radiation treatment 12min, irradiation dose 35kGy add the poly- isoamyls of 10kg in temperature
Diene is warming up to 200 DEG C of stirrings 50min, mixing speed 1500r/min and obtains polypropylene composite.
Embodiment 2
A kind of preparation method of technology for woven plastic packing bag, includes the following steps：By three (dioctylphyrophosphoric acid of 4kg isopropyls
Acyloxy) titanate esters, 30kg glass fibres, 4kg carboxymethyl celluloses, 2kg glycidyl methacrylate, 5kg lubricants,
2kg coupling agents, 3kg heat stabilizers, the mixing of 3kg tert-butyl hydroperoxide, are warming up to 80 DEG C, stir 40min, be subsequently added into
120kg polypropylene composites, 30kg polyarylates, 4kg oxidized polyethylene wax, 4kg ethylene-vinyl acetate copolymers, 4kg chlorosulfonations
After polyethylene mixing, 230 DEG C are warming up to, extruding pelletization, spinning weaves and obtains technology for woven plastic packing bag.
Polypropylene composite is prepared using following technique：24kg polyphosphoric acids, 10kg polycarbonate glycol are mixed, risen
130kg polypropylene is added to 85 DEG C of stirring 4h in temperature, and radiation treatment 6min, irradiation dose 45kGy add the poly- isoamyls of 4kg two
Alkene is warming up to 220 DEG C of stirrings 30min, mixing speed 1900r/min and obtains polypropylene composite.
Embodiment 3
A kind of preparation method of technology for woven plastic packing bag, includes the following steps：By (the dioctyl coke phosphorus of 2.5kg isopropyls three
Sour acyloxy) titanate esters, 45kg glass fibres, 2.5kg carboxymethyl celluloses, 3.5kg glycidyl methacrylate,
3.5kg lubricants, 3.5kg coupling agents, 2.2kg heat stabilizers, the mixing of 3.8kg tert-butyl hydroperoxide, are warming up to 74 DEG C, stirring
70min is subsequently added into 90kg polypropylene composites, 45kg polyarylates, 2.5kg oxidized polyethylene wax, 7kg ethene-vinyl acetates
After copolymer, the mixing of 2.5kg chlorosulfonated polyethylenes, 237 DEG C are warming up to, extruding pelletization, spinning weaves and obtains technology for woven plastic packing
Bag.
Polypropylene composite is prepared using following technique：21kg polyphosphoric acids, 14kg polycarbonate glycol are mixed, risen
To 78 DEG C of stirring 7h 115kg polypropylene is added, radiation treatment 10min, irradiation dose 38kGy add the poly- isoamyls of 8kg in temperature
Diene is warming up to 205 DEG C of stirrings 45min, mixing speed 1600r/min and obtains polypropylene composite.
Embodiment 4
A kind of preparation method of technology for woven plastic packing bag, includes the following steps：By (the dioctyl coke phosphorus of 3.5kg isopropyls three
Sour acyloxy) titanate esters, 35kg glass fibres, 3.5kg carboxymethyl celluloses, 2.5kg glycidyl methacrylate,
4.5kg lubricants, 2.5kg coupling agents, 2.8kg heat stabilizers, the mixing of 3.2kg tert-butyl hydroperoxide, are warming up to 76 DEG C, stirring
50min is subsequently added into 110kg polypropylene composites, 35kg polyarylates, 3.5kg oxidized polyethylene wax, 5kg ethene-vinyl acetates
After copolymer, the mixing of 3.5kg chlorosulfonated polyethylenes, 233 DEG C are warming up to, extruding pelletization, spinning weaves and obtains technology for woven plastic packing
Bag.
Polypropylene composite is prepared using following technique：23kg polyphosphoric acids, 12kg polycarbonate glycol are mixed, risen
125kg polypropylene is added to 82 DEG C of stirring 5h in temperature, and radiation treatment 8min, irradiation dose 42kGy add the poly- isoamyls of 6kg two
Alkene is warming up to 215 DEG C of stirrings 35min, mixing speed 1800r/min and obtains polypropylene composite.
Embodiment 5
A kind of preparation method of technology for woven plastic packing bag, includes the following steps：By three (dioctylphyrophosphoric acid of 3kg isopropyls
Acyloxy) titanate esters, 40kg glass fibres, 3kg carboxymethyl celluloses, 3kg glycidyl methacrylate, 4kg lubricants,
3kg coupling agents, 2.5kg heat stabilizers, the mixing of 3.5kg tert-butyl hydroperoxide, are warming up to 75 DEG C, stir 60min, be subsequently added into
100kg polypropylene composites, 40kg polyarylates, 3kg oxidized polyethylene wax, 6kg ethylene-vinyl acetate copolymers, 3kg chlorosulfonations
After polyethylene mixing, 235 DEG C are warming up to, extruding pelletization, spinning weaves and obtains technology for woven plastic packing bag.
Polypropylene composite is prepared using following technique：22kg polyphosphoric acids, 13kg polycarbonate glycol are mixed, risen
120kg polypropylene is added to 80 DEG C of stirring 6h in temperature, and radiation treatment 9min, irradiation dose 40kGy add the poly- isoamyls of 7kg two
Alkene is warming up to 210 DEG C of stirrings 40min, mixing speed 1700r/min and obtains polypropylene composite.
Comparative example 1
Operating procedure with embodiment 5, difference lies in：The usage amount of polypropylene composite is 70kg, remaining step is identical.
Comparative example 2
Operating procedure with embodiment 5, difference lies in：The usage amount of polypropylene composite is 130kg, remaining step phase
Together.
Comparative example 3
Operating procedure with embodiment 5, difference lies in：The usage amount of polyarylate is 25kg, remaining step is identical.
Comparative example 4
Operating procedure with embodiment 5, difference lies in：The usage amount of polyarylate is 55kg, remaining step is identical.
Comparative example 5
Operating procedure with embodiment 5, difference lies in：The usage amount of polyarylate is 0kg, remaining step is identical.
Comparative example 6
Operating procedure with embodiment 5, difference lies in：Polypropylene composite is changed to polypropylene, remaining step is identical.
Comparative example 7
Operating procedure with comparative example 1, difference lies in：Polypropylene composite is changed to polypropylene, remaining step is identical.
Comparative example 8
Operating procedure with comparative example 2, difference lies in：Polypropylene composite is changed to polypropylene, remaining step is identical.
Comparative example 9
Operating procedure with embodiment 5, difference lies in：Polypropylene composite is changed to polyethylene, remaining step is identical.
Comparative example 10
Operating procedure with comparative example 1, difference lies in：Polypropylene composite is changed to polyethylene, remaining step is identical.
Comparative example 11
Operating procedure with comparative example 2, difference lies in：Polypropylene composite is changed to polyethylene, remaining step is identical.
Technology for woven plastic packing bag obtained by 5 gained technology for woven plastic packing bag of embodiment and embodiment 1-11 is subjected to performance survey
Examination, result are as follows：
As seen from the above table：Gained technology for woven plastic packing bag of the invention is better than the prior art, can effectively improve tensile strength, resist
Tearing, mechanical strength are big, so that braided packing bag is used for a long time without damage, can solve packaging bag service life in the prior art
Short problem, durable, not bale broken.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of preparation method of technology for woven plastic packing bag, which is characterized in that include the following steps：By three (dioctyl of isopropyl
Pyrophosphoric acid acyloxy) titanate esters, glass fibre, carboxymethyl cellulose, glycidyl methacrylate, lubricant, coupling agent,
Heat stabilizer, tert-butyl hydroperoxide mixing, heat up, and stirring is subsequently added into polypropylene composite, polyarylate, oxidic polyethylene
It after wax, ethylene-vinyl acetate copolymer, chlorosulfonated polyethylene mixing, heats up, extruding pelletization, spinning weaves and obtains plastic knitting
Packaging bag.
2. the preparation method of technology for woven plastic packing bag according to claim 1, which is characterized in that polypropylene composite, isopropyl
Base three (dioctylphyrophosphoric acid acyloxy) titanate esters, glass fibre, carboxymethyl cellulose, glycidyl methacrylate, profit
Lubrication prescription, coupling agent, heat stabilizer, tert-butyl hydroperoxide weight ratio be 80-120：2-4：30-50：2-4：2-4：3-5：2-
4：2-3：3-4.
3. the preparation method of technology for woven plastic packing bag according to claim 1 or claim 2, which is characterized in that polypropylene composite gathers
Aromatic ester, oxidized polyethylene wax, ethylene-vinyl acetate copolymer, chlorosulfonated polyethylene weight ratio be 80-120：30-50：2-4：
4-8：2-4.
4. according to the preparation method of any one of the claim 1-3 technology for woven plastic packing bag, which is characterized in that including walking as follows
Suddenly：By isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters, glass fibre, carboxymethyl cellulose, Glycidyl methacrylate
Glyceride, lubricant, coupling agent, heat stabilizer, tert-butyl hydroperoxide mixing, are warming up to 70-80 DEG C, stir 40-80min,
It is subsequently added into polypropylene composite, polyarylate, oxidized polyethylene wax, ethylene-vinyl acetate copolymer, chlorosulfonated polyethylene mixing
Afterwards, it is warming up to 230-240 DEG C, extruding pelletization, spinning weaves and obtains technology for woven plastic packing bag.
5. according to the preparation method of any one of the claim 1-4 technology for woven plastic packing bag, which is characterized in that polypropylene composite materials
Object is prepared using following technique：Polyphosphoric acids, polycarbonate glycol are mixed, heating stirring, addition polypropylene, at irradiation
Reason, adds polyisoprene, and heating stirs to get polypropylene composite.
6. the preparation method of technology for woven plastic packing bag according to claim 5, which is characterized in that the preparation of polypropylene composite
In technique, polyphosphoric acids, polycarbonate glycol, polypropylene, polyisoprene weight ratio be 20-24：10-16：110-
130：4-10.
7. according to the preparation method of the technology for woven plastic packing bag of claim 5 or 6, which is characterized in that polypropylene composite is adopted
It is prepared with following technique：Polyphosphoric acids, polycarbonate glycol are mixed, 75-85 DEG C of stirring 4-8h is warming up to, is added poly- third
Alkene, radiation treatment 6-12min, irradiation dose 35-45kGy add polyisoprene, are warming up to 200-220 DEG C of stirring 30-
50min, mixing speed 1500-1900r/min, obtains polypropylene composite.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810281077.9A CN108505183A (en) | 2018-04-02 | 2018-04-02 | A kind of preparation method of technology for woven plastic packing bag |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810281077.9A CN108505183A (en) | 2018-04-02 | 2018-04-02 | A kind of preparation method of technology for woven plastic packing bag |
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Cited By (3)
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| CN109295537A (en) * | 2018-09-28 | 2019-02-01 | 安徽省永欣织带有限公司 | A kind of flexible wear-resistant antibacterial flat filament and its drawing process |
| CN112429410A (en) * | 2020-10-26 | 2021-03-02 | 无锡纯宇环保制品有限公司 | Environment-friendly clothes packaging bag and preparation method thereof |
| CN115142145A (en) * | 2021-04-16 | 2022-10-04 | 江苏青昀新材料科技有限公司 | Flash-spun sheet of modified polymer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109295537A (en) * | 2018-09-28 | 2019-02-01 | 安徽省永欣织带有限公司 | A kind of flexible wear-resistant antibacterial flat filament and its drawing process |
| CN112429410A (en) * | 2020-10-26 | 2021-03-02 | 无锡纯宇环保制品有限公司 | Environment-friendly clothes packaging bag and preparation method thereof |
| CN115142145A (en) * | 2021-04-16 | 2022-10-04 | 江苏青昀新材料科技有限公司 | Flash-spun sheet of modified polymer |
| CN115142145B (en) * | 2021-04-16 | 2023-07-07 | 江苏青昀新材料有限公司 | Flash spinning sheet of modified polymer |
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